Write a balanced equation for the combustion of one mole of magnesium.
manipulate the equations below so that they add up to the equation above.
mgo(s) + 2 hcl (aq) → mgcl2(aq) + h2o(1)
mg(s) + 2 hci (aq) + mgcl2(aq) + h2(g)
h2(g) + 12 oz (g) + h2o(1)

the cold front replaces the warmer air at the ground level changing the wind to be breezy and denser.there is also an immediate drop in the temperature.

option c: 1605.1 kj

the balanced chemical reaction for combustion of methane is as follows:

here, enthalpy formation of is -74.7 kj/mol, 0 kj/mol, -393.5 kj/mol and -241.82 kj/mol respectively.

the heat released or can be calculated as follow:

putting the values,

thus, heat released by combustion of 1 mol of methane is 802.54 kj/mol. thus, for 2 mol, heat released will be:

therefore, heat released by the combustion of 2 mol of methane is 1605.1 kj.